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feat: Add multi-account support to Anthropic auth plugin #21

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feat: Add multi-account support to Anthropic auth plugin #21

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@coleleavitt coleleavitt commented Jan 15, 2026 •
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Summary

This PR adds multi-account support to the Anthropic auth plugin, allowing users to manage and switch between multiple Anthropic accounts.

Features Added

Multi-Account Management

  • AccountManager class - Handles account storage, selection, and rotation
  • File locking - Prevents concurrent write corruption
  • Atomic writes - Safe storage updates
  • Custom storage location - ~/.config/opencode/anthropic-accounts.json

Account Selection

  • Sticky selection - Uses same account until rate-limited (preserves prompt cache)
  • Automatic rotation - On 429, switches to next available account
  • Rate limit tracking - Tracks cooldown per account
  • Manual switcher - Users can manually switch accounts via opencode auth login

Profile Information

  • Stores complete profile from Anthropic API:
    • name, email, fullName, displayName
    • uuid, hasClaudeMax, hasClaudePro, plan
    • organizationUuid, organizationName
    • organizationType, billingType
    • rateLimitTier, hasExtraUsageEnabled

UX Improvements

  • Toast notifications - Shows current account and rate limit switching
  • Auto account naming - Uses email as account name
  • Token refresh - Automatic background refresh

Files Changed

  • index.mjs - Main plugin with multi-account support (1 file changed, +603/-227 lines)

@coleleavitt
feat: Add multi-account support to Anthropic auth plugin
b2d5745 
Features:
- Multi-account management with AccountManager class
- File locking and atomic writes for data safety
- Custom storage: ~/.config/opencode/anthropic-accounts.json
- Automatic account rotation on rate limits (429)
- Sticky account selection (preserves prompt cache)
- Token refresh handling
- Account switcher method (no OAuth code needed)
- Profile fetching (email, name, org, plan, rate limit tier)
- Toast notifications for account switching

Account fields stored:
- name, email, fullName, displayName
- uuid, hasClaudeMax, hasClaudePro, plan
- organizationUuid, organizationName
- organizationType, billingType
- rateLimitTier, hasExtraUsageEnabled
@coleleavitt coleleavitt force-pushed the multi-account-support branch from 465158e to b2d5745 Compare January 15, 2026 16:42
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@coleleavitt